Global Mainstream Dynamic Energy Technology Ltd.
- 22 -
User Manual
GHESS 3.7-4.8-SL hybrid system
1. The PV power should be lower than 4.2kW.
2. The emergency load connected should be no more than 2kW.
3. A 32A/400V AC Breaker and 300mA leakage protector should be installed between the
hybrid system and the grid.
4. A 16A/400V AC Breaker and 300mA leakage protector should be installed between the
hybrid system and the emergency load.
3.3.1 How to Make Power Connecting Line
Figure 22~Figure 25are the connecting demonstration for PV connector, grid connector and
emergency load connector. Please choose the proper wire (AWG12 recommended) to make
different connectors according to the length of connecting line.
Figure 22 PV+ connector(F1) and wiring
Figure 23 PV- connector(F2)and wiring
L
N
L
N
Figure 24 GRID connector(F3) and wiring
Line definition: the brown is power line(L), the blue is neutral line(N), the yellow green is grounding
line(PE)
L
N
L
N
Figure 25 LOAD connector(F4) and wiring
Line definition: the red is power line (L), the black is neutral line (N), the yellow green is grounding
line (PE).
3.3.2 RS485 Communication Line
GMDE inverter uses RJ45 jacks as the RS485 communication port. The RJ45 plug pin allocation is
illustrated by figure 25.